CN218183015U - Fan test control device for nuclear power station - Google Patents
Fan test control device for nuclear power station Download PDFInfo
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- CN218183015U CN218183015U CN202220650203.5U CN202220650203U CN218183015U CN 218183015 U CN218183015 U CN 218183015U CN 202220650203 U CN202220650203 U CN 202220650203U CN 218183015 U CN218183015 U CN 218183015U
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Abstract
The application belongs to the technical field of nuclear power station performance tests, and provides a fan test control device for a nuclear power station, which comprises a fan to be tested, a fan access module and a fan test control module, wherein the fan access module is connected with the fan to be tested; and monitoring parameters in the running process of the fan to be tested through a fan parameter monitoring module and displaying the parameters. The fan starting and stopping control module is used for supplying power to the fan to be tested according to an external power supply, starting or stopping the fan to be tested according to user operation, and automatically stopping the fan to be tested when the parameters of the fan to be tested are abnormal. This application can real-time supervision treat the operational parameter of experimental fan through fan parameter monitoring module, when treating the operational parameter of experimental fan and taking place unusually, open through the fan and stop control module in time the outage appearance unusual treat experimental fan, turn-off the power of the unusual fan of treating the experiment of appearance to avoid appearing unusual the trouble of treating the experimental fan further to expand, lead to the experimental power trip of upper reaches, influence the fan of same period experimental.
Description
Technical Field
The application belongs to the technical field of nuclear power station performance tests, and particularly relates to a fan test control device for a nuclear power station.
Background
Because the transformer of the nuclear power station can generate heat in the operation process, a transformer cooling system is generally required to cool the transformer, so that the transformer works in a normal temperature range. The transformer cooling system generally comprises a large number of cooling fans, which have the function of exchanging the heat of the transformer with the outside. When a cooling fan fails or cannot work normally due to limited functions, heat emitted by components such as windings and iron cores inside the transformer cannot be exchanged and discharged with the outside in time, and the parts are heated locally, so that the aging speed of the transformer is increased, and the service life of the transformer is influenced.
At present, in order to ensure the operation reliability of the transformer cooling fan, the transformer cooling fan is generally detached regularly for inspection and test. In the testing process after the fan accomplishes the inspection, because fan quantity is huge, so the mode access that so experimental power supply can adopt interim wiring usually, just whether experimental fan can operate. When a certain fan fails due to serious internal defects, the fan can only passively receive the tripping of an upstream test power supply, and the fan test in the same period is forced to stop, so that the reliability of the fan test is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a fan test control device for nuclear power station, aim at solving the problem that the fan test control device for nuclear power station can only receive the tripping operation of upstream test power supply passively after the fan trouble, and the fan test in the same period is forced to stop.
In order to achieve the above object, in a first aspect, an embodiment of the present application provides a fan test control apparatus for a nuclear power plant, including a fan access module, a fan parameter monitoring module, and a fan start-stop control module;
the fan access module is electrically connected with the fan parameter monitoring module and the fan start-stop control module, and the fan parameter monitoring module is electrically connected with the fan start-stop control module;
the fan access module is configured to access a fan to be tested;
the fan parameter monitoring module is configured to monitor and display parameters in the running process of the fan to be tested;
the fan starting and stopping control module is configured to supply power to the fan to be tested according to an external power supply, start or stop the fan to be tested according to user operation, and automatically stop the fan to be tested when the parameter of the fan to be tested is abnormal.
In a possible implementation manner of the first aspect, the fan start-stop control module includes a power control unit and a fan start-stop control unit;
the fan starting and stopping control unit is electrically connected with the power supply control unit and the fan parameter monitoring module, and both the fan starting and stopping control unit and the fan parameter monitoring module are electrically connected with the fan access module;
the power supply control unit is configured to be connected to the external power supply and supply power to the fan starting and stopping control unit;
the fan starting and stopping control unit is configured to start or stop the fan to be tested according to user operation, and automatically stop the fan to be tested when the parameter of the fan to be tested is abnormal.
In another possible implementation manner of the first aspect, the number of the fan start-stop control units is multiple.
In another possible implementation manner of the first aspect, the power control unit includes a power interface, a power main switch, a power main indicator light, a control power main switch, a control power main indicator light, and a test main switch;
the power supply main switch is electrically connected with the power interface, the power supply main indicator light and the control power supply main switch, the control power supply main switch is electrically connected with the control power supply main indicator light and the test main switch, and the power supply main switch and the test main switch are electrically connected with the fan starting and stopping control unit.
In another possible implementation of the first aspect, the power supply control unit further comprises a transformer and a transformer switch;
the transformer is electrically connected with the test main switch and the transformer switch, and the transformer switch is electrically connected with the fan start-stop control unit.
In another possible embodiment of the first aspect, the fan start-stop control unit comprises a control power switch, a control power indicator, a start button, a shutdown button, a fan contactor, and a timer;
the control power switch with experimental master switch the control power pilot lamp the timer with the start button electricity is connected, the outage button with the start button with the fan contactor electricity is connected, the main contact of fan contactor with the outage button electricity is connected, the normally closed contact and the normally open contact of fan contactor all with the timer electricity is connected.
In another possible implementation manner of the first aspect, the fan start-stop control unit further includes a power switch, a power indicator, a protection relay, and a fault indicator;
the power supply switch is electrically connected with the power supply main switch, the power supply indicator lamp, the protection relay and the fan parameter monitoring module, the normally closed contact of the protection relay is electrically connected with the fan contactor, and the normally open contact of the protection relay is electrically connected with the fault indicator lamp.
In another possible implementation of the first aspect, the fan parameter monitoring module includes a voltmeter, a three-phase current meter, and a three-phase indicator light;
the three-phase ammeter is electrically connected with the power switch, the voltmeter and the protective relay, and the three-phase indicator light is electrically connected with the protective relay and the fan to be tested.
In another possible embodiment of the first aspect, the wind turbine access module includes a cable box, a roller, and a cable;
the idler wheel is installed inside the cable box, the cable is wound on the idler wheel, and the cable is electrically connected with the fan parameter monitoring module and the fan starting and stopping control module.
In another possible implementation manner of the first aspect, the blower access module, the blower parameter monitoring module, and the blower start-stop control module are integrated in an integrated box, the integrated box includes an upper panel and a lower operation panel, the blower access module and the blower start-stop control module are respectively installed on two sides of the lower operation panel, and the blower parameter monitoring module is installed on the upper panel and located on the same side as the blower start-stop control module.
Compared with the prior art, the embodiment of the application has the advantages that: foretell a fan test control device for nuclear power station can real-time supervision waits to test the operating parameter of fan through fan parameter monitoring module, and when the operating parameter of waiting to test the fan takes place unusually, stops in time to transport through fan start-stop control module and appears unusual waiting to test the fan, cuts off the power of the fan that waits to test that the anomaly appears to avoid appearing the trouble further extension of the fan that waits to test, lead to the tripping operation of upper reaches test power, influence the fan test of same period.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a first structural schematic diagram of a fan test control device for a nuclear power plant according to an embodiment of the present disclosure;
fig. 2 is a second structural schematic diagram of a fan test control device for a nuclear power plant according to an embodiment of the present disclosure;
fig. 3 is a circuit diagram of a power supply control unit of a fan test control apparatus for a nuclear power plant according to an embodiment of the present application;
fig. 4 is a circuit diagram of a fan start-stop control unit of a fan test control device for a nuclear power plant according to an embodiment of the present application;
FIG. 5 is a circuit diagram of a fan parameter monitoring module of a fan test control apparatus for a nuclear power plant according to an embodiment of the present disclosure;
fig. 6 is a circuit diagram of a fan access module of a fan test control apparatus for a nuclear power plant according to an embodiment of the present application;
fig. 7 is a third schematic structural diagram of a fan test control device for a nuclear power plant according to an embodiment of the present application.
Description of reference numerals:
the system comprises a fan access module, a cable box 11, a roller 12, a cable 13, a fan parameter monitoring module 2, a fan start-stop control module 3, a power supply control unit 31, a fan start-stop control unit 32 and an integrated box 4.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Oil-immersed transformers are widely used in nuclear power plants because of their good insulation and heat dissipation properties. The transformer oil used for insulation and cooling is filled in the general transformer, the heat generated by the transformer during normal operation is released by the radiator group through the cooling circulation of the transformer oil, so that the transformer operates within a normal temperature range. A large number of cooling fans are adopted in a transformer cooler system to play a role in exchanging heat of a transformer with the outside, and when the cooling fans are in failure or limited in function and cannot work normally, heat emitted by components such as windings and iron cores in a transformer body cannot be exchanged and discharged in time, and local hot spots can be formed at the positions. According to the 6-degree rule (namely, after the temperature of a transformer winding is higher than 80 ℃, the aging speed of the transformer is doubled and the insulation life is reduced by half when the temperature is increased by 6 ℃), the operation reliability of the cooling fan seriously influences the operation life of the transformer.
At present, in order to ensure the operation reliability of a transformer cooling fan, the transformer cooling fan is generally detached regularly for inspection and disassembled for bearing replacement, in the test after the fan is inspected, because the number of the fans is huge, a temporary wiring method is generally adopted for a test power supply, however, the existing test method does not monitor parameters such as voltage, current and the like of the fan operation in real time in the test process, even if the parameters exist, a handheld ammeter is used for singly measuring the operation current in a single time, an independent protection component is not used for effectively protecting the fan after the fan fails, when a certain fan fails due to internal serious defects, the upstream test power supply can be passively tripped, the fan test in the same period is forced to stop, and the test of the cooling fan and the arrangement of a main transformer maintenance plan are seriously influenced.
Therefore, the fan test control device for the nuclear power station is provided, after the fan to be tested is connected, the fan parameter monitoring module monitors parameters in the running process of the fan to be tested in real time, the fan start-stop control module supplies power to the fan to be tested and the fan parameter monitoring module according to an external power supply, the fan to be tested is started or stopped, the fan to be tested is stopped when the parameters of the fan to be tested are abnormal, the power supply of the abnormal fan to be tested is turned off, the abnormal fan to be tested can be found in time, and the fault of the abnormal fan to be tested is prevented from further expanding.
The following describes an exemplary fan test control device for a nuclear power plant, which is provided by the present application, with reference to the accompanying drawings.
Fig. 1 is a first schematic structural diagram of a fan test control apparatus for a nuclear power plant according to an embodiment of the present application, and as shown in fig. 1, an exemplary fan test control apparatus 100 for a nuclear power plant includes a fan access module 1, a fan parameter monitoring module 2, and a fan start-stop control module 3;
the fan access module 1 is electrically connected with the fan parameter monitoring module 2 and the fan start-stop control module 3; the fan parameter monitoring module 2 is electrically connected with the fan start-stop control module 3;
the fan access module 1 is configured to access a fan to be tested;
the fan parameter monitoring module 2 is configured to monitor and display parameters in the running process of the fan to be tested;
and the fan start-stop control module 3 is configured to supply power to the fan to be tested according to an external power supply, start or stop the fan to be tested according to user operation, and automatically stop the fan to be tested when the parameter of the fan to be tested is abnormal.
In application, firstly, the fan to be tested is connected in through the fan connecting module, and the fan starting and stopping control module is connected in an external power supply and supplies power to the fan to be tested. The fan to be tested is started or stopped according to user operation through the fan start-stop control module, the operating parameters of the fan to be tested are monitored in real time through the fan parameter monitoring module, when the operating parameters of the fan to be tested are abnormal, the fan to be tested with abnormality is automatically stopped through the fan start-stop control module, and the power supply of the fan to be tested with abnormality is turned off, so that the fan to be tested with abnormality can be found in time, the comprehensive performance of the fan to be tested is effectively evaluated, and the test period of the cooling fan is shortened on the basis of optimizing the test flow and improving the reliability. Wherein, the accessed external power supply is a three-phase power supply.
Fig. 2 is a schematic structural diagram of a second structure of a fan test control apparatus for a nuclear power plant according to an embodiment of the present application, and as shown in fig. 2, for example, a fan start-stop control module 3 includes a power supply control unit 31 and a fan start-stop control unit 32;
the fan start-stop control unit 32 is electrically connected with the power supply control unit 31 and the fan parameter monitoring module 2, and both the fan start-stop control unit 32 and the fan parameter monitoring module 2 are electrically connected with the fan access module 1;
the power supply control unit 31 is electrically connected with the fan start-stop control unit 32 and the fan parameter monitoring module 2, and the fan start-stop control unit 32 is electrically connected with the fan access module 1;
a power supply control unit 31 configured to access an external power supply and supply power to the fan start-stop control unit 32;
and the fan start-stop control unit 32 is configured to start or stop the fan to be tested according to user operation, and automatically stop the fan to be tested when the parameter of the fan to be tested is abnormal.
In application, an external power supply is connected to the power supply control unit, and the external power supply is used for supplying power to the fan starting and stopping control unit, so that the fan starting and stopping control unit can start or stop the fan to be tested according to user operation, the fan parameter monitoring module can monitor parameters of the fan to be tested in the running process in real time, and meanwhile, when the parameters of the fan to be tested break down, the fan to be tested can be automatically stopped, the faults are prevented from further expanding, and the running of other parts is prevented from being influenced.
Illustratively, the number of the fan start-stop control units 32 is multiple.
In the application, the number of the fan start-stop control units can be multiple, and the number of the corresponding fan access modules is also multiple, so that each fan start-stop control unit and each fan access module can test one fan to be tested, the fan start-stop control units and each fan access module are not influenced by each other, and the test period of the fan is greatly prolonged. Because the nuclear power station transformer scene generally can be equipped with a large amount of cooling blower, so when the fan of simultaneous test is more, the scene often wiring is chaotic, and fan operating duration record goes out the deviation easily to adopt a plurality of fans of this application to open and stop the control unit and can connect a plurality of fans simultaneously, and the circuit is clear, and the record time is accurate.
Fig. 3 is a circuit diagram of a power control unit of a fan test control device for a nuclear power plant according to an embodiment of the present application, and as shown in fig. 3, exemplarily, a power control unit 31 includes a power interface PJ, a power main switch Q1, a power main indicator light LA1, a control power main switch Q2, a control power main indicator light LA2, and a test main switch S1;
power supply master switch Q1 is connected with power source PJ, power supply master pilot lamp LA1 and control power supply master switch Q2 electricity, and control power supply master switch Q2 is connected with control power supply master pilot lamp LA2 and experimental master switch S1 electricity, and power supply master switch Q1 and experimental master switch S1 all open with the fan and stop the control unit 32 electricity and be connected.
In application, an external power supply is connected to a power interface, electric energy is transmitted to a power supply main switch, a power supply main indicator lamp is turned on to indicate that a power supply is normally connected, the power supply main switch further transmits the electric energy to a control power supply main switch, the control power supply main switch indicator lamp is turned on to indicate that the control power supply is normally connected, the control power supply main switch further transmits the electric energy to a test main switch, and the test main switch and the power supply main switch transmit the electric energy to a fan starting and stopping control unit. Among them, the power main switch may be connected to a plurality of power switches, such as a power switch Q11, a second power switch Q12, a third power switch Q13, a fourth power switch Q14, a fifth power switch Q15, and a sixth power switch Q16. The power supply main switch and the control power supply main switch can be 4P air switches, and the switches have overcurrent protection functions.
As shown in fig. 3, the power control unit 31 further includes, for example, a transformer TR and a transformer switch QTR;
the transformer TR is electrically connected with the test main switch S1 and the transformer switch QTR, and the transformer switch QTR is electrically connected with the fan start-stop control unit 32.
In application, a power supply connected to the power supply interface is generally 380V alternating current, the alternating current flows into the transformer through the power supply main switch, the control power supply main switch and the test main switch, the alternating current is converted into 110V alternating current by the transformer, and then the alternating current is transmitted to the fan starting and stopping control unit through the transformer switch so as to be used by the fan starting and stopping control unit.
Fig. 4 is a circuit diagram of a fan start-stop control unit of a fan test control device for a nuclear power plant according to an embodiment of the present application, and as shown in fig. 4, the fan start-stop control unit 32 exemplarily includes a control power switch Q21, a control power indicator LA21, a start button T10, a shutdown button T11, a fan contactor Km11, and a timer T;
the control power switch Q21 is electrically connected with the test main switch S1, the control power indicator light LA21, the timer T and the start button T10, the shutdown button T11 is electrically connected with the start button T10 and the fan contactor Km11, the main contact Km11-1 of the fan contactor Km11 is electrically connected with the shutdown button T11, and the normally closed contact Km11-2 and the normally open contact Km11-3 of the fan contactor Km11 are electrically connected with the timer T.
In application, after the test main switch is switched on, the power supply is switched on by controlling the power supply switch, the control power supply indicator lamp is turned on to indicate that the control power supply is normally connected, after the start button is pressed, the fan contactor is excited, the fan is switched on, the timer starts timing, and the fan test starts.
And after the fan test is finished, pressing a shutdown button, disconnecting the fan contactor from the loss of magnetism, stopping timing by the timer to obtain the fan test duration, and finishing the fan test. The fan test time statistics timing is automatically carried out through the timer, and deviation caused by human is avoided. The starting button and the shutdown button are used for controlling the starting and the shutdown of the fan to be tested according to the pressing operation of a user, the control power switch and the power switch can be 2P air switches, and the switches have overcurrent protection functions. And a reset button is arranged below the front side of the timer, and the reset button is pressed after the single test is finished, so that the timing is cleared.
Meanwhile, in order to avoid electric shock of personnel caused by misoperation power transmission in the cable access process, a manual control loop (namely a start button and an outage button) is independently arranged in the device, and the device can supply power to a downstream test fan only by manually operating a closing button. Meanwhile, a test main switch is connected before the manual control starting and stopping loop, the manual control loop can be switched on only under the condition that the test main switch is closed, and the test safety and reliability are effectively guaranteed through the arrangement of two stages of control nodes.
Fig. 5 is a circuit diagram of a fan parameter monitoring module of a fan test control device for a nuclear power plant according to an embodiment of the present application, and as shown in fig. 4 and 5, the fan start-stop control unit 32 further includes a power switch Q11, a power indicator light LA10, a protection relay JS11, and a fault indicator light LA14;
the power supply switch Q11 is electrically connected with a power supply main switch Q1, a power supply indicator lamp LA10, a protection relay JS11 and a fan parameter monitoring module 2, a normally closed contact JS11-1 of the protection relay JS11 is electrically connected with a fan contactor Km11, and a normally open contact JS11-2 of the protection relay JS11 is electrically connected with a fault indicator lamp LA 14.
In the application, the external power supply is connected through the power supply switch, the power supply indicator lamp is turned on to indicate that the power supply is normally connected, after the control power supply switch is switched on, the power supply is normally supplied to the fan to be tested, and in the fan testing process, when the overcurrent and overload delay action caused by the internal fault of the fan trips the protective relay, the fault indicator lamp is switched on to display that the fan to be tested breaks down, and a maintainer is reminded of timely overhauling. Meanwhile, the protection relay is adjustable in protection fixed value, protection parameters can be set according to the rated current of the test fan, and the protection relay is suitable for cooling fans of different types.
As shown in fig. 4 and 5, the fan parameter monitoring module 2 includes a voltmeter V, three-phase ammeters a11, a12 and a13 and three-phase indicator lights LA11, LA12 and LA13;
the three-phase current meters A11, A12 and A13 are electrically connected with the power switch Q11, the voltmeter V and the protection relay JS11, and the three-phase indicator lamps LA11, LA12 and LA13 are electrically connected with the protection relay JS11 and the fan to be tested.
In application, after the fan to be tested is connected and starts to be tested, the voltage on the fan to be tested is monitored in real time through the ammeter, the current (generally three-phase current) on the fan to be tested is monitored in real time through the ammeter, slight fluctuation in the running process of the fan is visually monitored, various potential abnormalities of the fan are identified in advance, the detection rate of hidden defects of the fan is greatly improved, and the defect fan is prevented from being used to the site. Whether current normally flows through is displayed through the three-phase indicator lamp, and when the fan to be tested runs in a phase failure mode, the corresponding indicator lamp is not turned on, so that the abnormal condition of the fan to be tested running in the phase failure mode can be found in advance.
Fig. 6 is a circuit diagram of a fan access module of a fan test control device for a nuclear power plant according to an embodiment of the present application, and as shown in fig. 6, the fan access module 1 exemplarily includes a cable box 11, a roller 12 and a cable 13;
the roller 12 is installed inside the cable box 11, the cable 13 is wound on the roller 12, and the cable 13 is electrically connected with the fan parameter monitoring module 2 and the fan start-stop control module 3.
In application, the fan access module corresponds to the fan start-stop control module, or a plurality of cables (generally four: three power cables and one ground wire, which can be distinguished by different colors or numbers) led out from the fan start-stop control module are wound on the roller, when the fan start-stop control module needs to be used, the cables are pulled out from the roller and connected to the fan to be tested, and after the fan start-stop control module is used, the cables are wound on the roller again. In the test process, only need through the cable box with cable junction to correspond treat experimental fan on test can, the mode of connection is simple, convenient, greatly reduced have the wiring deviation and the potential personnel risk of electrocuting among the interim power supply process.
Fig. 7 is a third schematic structural diagram of a fan test control device for a nuclear power plant provided in an embodiment of the present application, as shown in fig. 7, exemplarily, a fan access module 1, a fan parameter monitoring module 2, and a fan start-stop control module 3 are integrated in an integrated box 4, the integrated box 4 includes an upper panel and a lower operation panel, the fan access module 1 and the fan start-stop control module 3 are respectively installed on two sides of the lower operation panel, and the fan parameter monitoring module 2 is installed on the upper panel and located on the same side as the fan start-stop control module 3.
In application, the fan access module, the fan parameter monitoring module and the fan start-stop control module are integrated into a whole, so that the fan start-stop control module is convenient to move and transport, and the upper panel can be arranged in a vertical direction inside the integral box and inwards obliquely (for example, 10-30 degrees) so as to be convenient to view. The areas of the fan access module, the fan parameter monitoring module and the fan start-stop control module which are independent from each other are divided on the integrated box, so that the fan to be tested is conveniently connected, controlled and displayed. Simultaneously, one side of lower part operating panel can set up a plurality of fans and insert the module to in a plurality of fans of simultaneous test, the opposite side of lower part operating panel corresponds and sets up a plurality of fans and open and stop control module, corresponds on the panel of upper portion and sets up a plurality of fans and open and stop control module, thereby satisfies a plurality of fans and carries out experimental demand simultaneously, saves test time.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules, so as to perform all or part of the functions described above. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only used for distinguishing one functional unit from another, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing embodiments, and are not described herein again.
In the above embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described or recited in any embodiment.
Those of ordinary skill in the art will appreciate that the elements of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed fan test control apparatus for a nuclear power plant may be implemented in other manners. For example, the above-described embodiments of the fan test control apparatus for a nuclear power plant are merely illustrative, and for example, the division of the modules or units is only one logical function division, and other division manners may be provided in actual implementation, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some multi-interface systems, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.
Claims (9)
1. A fan test control device for a nuclear power station is characterized by comprising a fan access module, a fan parameter monitoring module and a fan start-stop control module;
the fan access module is electrically connected with the fan parameter monitoring module and the fan start-stop control module, and the fan parameter monitoring module is electrically connected with the fan start-stop control module;
the fan access module is configured to access a fan to be tested;
the fan parameter monitoring module is configured to monitor and display parameters in the running process of the fan to be tested;
the fan starting and stopping control module is configured to supply power to the fan to be tested according to an external power supply, start or stop the fan to be tested according to user operation, and automatically stop the fan to be tested when the parameter of the fan to be tested is abnormal;
the fan parameter monitoring module comprises a voltmeter, a three-phase current meter and a three-phase indicator light;
the three-phase ammeter is electrically connected with the voltmeter and the fan start-stop control module, and the three-phase indicator lamp is electrically connected with the fan start-stop control module and the fan to be tested;
the voltmeter is used for real-time supervision to wait the voltage on the fan of experimenting, the three-phase ampere meter is used for real-time supervision the electric current on the fan of experimenting, the three-phase pilot lamp is used for indicating whether electric current normally flows through, works as when waiting that the fan of experimenting runs in a lack of phase, corresponding pilot lamp is not bright.
2. The fan test control device for the nuclear power plant as claimed in claim 1, wherein the fan start-stop control module comprises a power supply control unit and a fan start-stop control unit;
the fan starting and stopping control unit is electrically connected with the power supply control unit and the fan parameter monitoring module, and both the fan starting and stopping control unit and the fan parameter monitoring module are electrically connected with the fan access module;
the power supply control unit is configured to be connected to the external power supply and supply power to the fan starting and stopping control unit;
the fan starting and stopping control unit is configured to start or stop the fan to be tested according to user operation, and automatically stop the fan to be tested when the parameter of the fan to be tested is abnormal.
3. The fan test control device for the nuclear power plant as claimed in claim 2, wherein the number of the fan start-stop control units is plural.
4. The fan test control device for the nuclear power plant as claimed in claim 2 or 3, wherein the power control unit comprises a power interface, a main power switch, a main power indicator lamp, a main control switch and a main test switch;
the power supply main switch is electrically connected with the power interface, the power supply main indicator light and the control power supply main switch, the control power supply main switch is electrically connected with the control power supply main indicator light and the test main switch, and the power supply main switch and the test main switch are electrically connected with the fan starting and stopping control unit.
5. The fan test control apparatus for a nuclear power plant as claimed in claim 4, wherein the power supply control unit further includes a transformer and a transformer switch;
the transformer is electrically connected with the test main switch and the transformer switch, and the transformer switch is electrically connected with the fan start-stop control unit.
6. The fan test control device for the nuclear power plant as claimed in claim 4, wherein the fan start-stop control unit comprises a control power switch, a control power indicator, a start button, a shutdown button, a fan contactor and a timer;
control power switch with experimental master switch control power indicator lamp the time-recorder with the start button electricity is connected, the outage button with the start button with fan contactor electricity is connected, the main contact of fan contactor with the outage button electricity is connected, the normally closed contact and the normally open contact of fan contactor all with the time-recorder electricity is connected.
7. The fan test control device for the nuclear power plant as claimed in claim 6, wherein the fan start-stop control unit further comprises a power switch, a power indicator, a protection relay and a fault indicator;
the power supply switch is electrically connected with the power supply main switch, the power supply indicator lamp, the protection relay and the fan parameter monitoring module, the normally closed contact of the protection relay is electrically connected with the fan contactor, and the normally open contact of the protection relay is electrically connected with the fault indicator lamp.
8. The fan test control apparatus for a nuclear power plant of any one of claims 1 to 3, wherein the fan access module comprises a cable box, a roller and a cable;
the roller is installed in the cable box, the cable is wound on the roller, and the cable is electrically connected with the fan parameter monitoring module and the fan starting and stopping control module.
9. The fan test control device for the nuclear power plant according to any one of claims 1 to 3, wherein the fan access module, the fan parameter monitoring module and the fan start-stop control module are integrated in an integrated box, the integrated box includes an upper panel and a lower operating panel, the fan access module and the fan start-stop control module are respectively installed on two sides of the lower operating panel, and the fan parameter monitoring module is installed on the upper panel and located on the same side as the fan start-stop control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220650203.5U CN218183015U (en) | 2022-03-23 | 2022-03-23 | Fan test control device for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220650203.5U CN218183015U (en) | 2022-03-23 | 2022-03-23 | Fan test control device for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218183015U true CN218183015U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220650203.5U Active CN218183015U (en) | 2022-03-23 | 2022-03-23 | Fan test control device for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218183015U (en) |
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2022
- 2022-03-23 CN CN202220650203.5U patent/CN218183015U/en active Active
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